public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
MetricComponent metric = (MetricComponent) component;
MetricRangePreferences rangePreferences = metric.getMetricRangePreferences();
TimeUnit preferencesUnit = null;
int lastN = 0;
writer.startElement("b", null);
writer.write("Metric Display Range:");
writer.endElement("b");
writer.write(" ");
if (rangePreferences.readOnly) {
writer.write(new Date(rangePreferences.begin) + " to " + new Date(rangePreferences.end));
writer.write(" ");
} else {
preferencesUnit = TimeUnit.getUnitByMetricOrdinal(rangePreferences.unit);
lastN = rangePreferences.lastN;
writer.write("Last :");
writer.write(" ");
writer.startElement("select", metric);
writer.writeAttribute("id", MetricComponent.VALUE, null);
writer.writeAttribute("name", MetricComponent.VALUE, null);
List<Integer> timeIntervals = new ArrayList<Integer>(timeIntervalValues);
if (!timeIntervals.contains(Integer.valueOf(lastN))) {
timeIntervals.add(lastN);
}
Collections.sort(timeIntervals);
for (int timeIntervalOption : timeIntervals) {
writer.startElement("option", metric);
writer.writeAttribute("value", timeIntervalOption, MetricComponent.VALUE);
if (timeIntervalOption == lastN) {
// this doesn't work in all browsers, we have javascript below to close the gaps
writer.writeAttribute("SELECTED", "SELECTED", null);
}
writer.write(String.valueOf(timeIntervalOption));
writer.endElement("option");
}
writer.endElement("select");
writer.write(" ");
writer.startElement("select", metric);
writer.writeAttribute("id", MetricComponent.UNIT, null);
writer.writeAttribute("name", MetricComponent.UNIT, null);
for (TimeUnit unit : metric.getUnitOptions()) {
writer.startElement("option", metric);
writer.writeAttribute("value", unit.name(), MetricComponent.UNIT);
if (unit.equals(preferencesUnit)) {
// this doesn't work in all browsers, we have javascript below to close the gaps
writer.writeAttribute("SELECTED", "SELECTED", null);
}
writer.write(unit.getDisplayName());
writer.endElement("option");
}
writer.endElement("select");
writer.write(" ");
}
writer.write(" ");
writer.startElement("a", null);
writer.writeAttribute("href", "#", null);
writer.writeAttribute("onclick",
"javascript:window.open('/rhq/common/metric/advanced.xhtml','Metric Display Range Settings','"
+ getWindowOptions() + "');", null);
if (rangePreferences.readOnly) {
writer.write("Edit Settings...");
} else {
writer.write("Advanced Settings...");
}
writer.endElement("a");
if (rangePreferences.readOnly) {
writer.write(" | ");
}
writer.startElement("script", null);
writer.writeAttribute("type", "text/javascript", null);
if (rangePreferences.readOnly == false) {
// both dropdowns needs to be updated when we're NOT in readOnly mode
writer.write("changeComboBox('" + MetricComponent.VALUE + "','" + lastN + "');");
writer.write("changeComboBox('" + MetricComponent.UNIT + "','" + preferencesUnit.name() + "');");
}
writer.endElement("script");
}